Home / 1,988,984.40-2,744,078.76-1,301,048.56

Finding the Fourth Proportional to 1,988,984.40, 2,744,078.76 and 1,301,048.56

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Solution

The fourth proportional to 1,988,984.40, 2,744,078.76 and 1,301,048.56 is: 1,794,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,984.40 : 2,744,078.76 = 1,301,048.56 : x
  2. Step 2: Convert to fraction form
    1,988,984.40/2,744,078.76 = 1,301,048.56/x
  3. Step 3: Cross multiply
    1,988,984.40x = 2,744,078.76 × 1,301,048.56
  4. Step 4: Simplify right side
    1,988,984.40x = 3,570,179,719,224.59
  5. Step 5: Solve for x
    x = 3,570,179,719,224.59/1,988,984.40
  6. Step 6: Final answer
    x = 1,794,976.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.